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| Preprint | FZJ-2020-02151 |
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2020
Cold Spring Harbor Laboratory, NY
Cold Spring Harbor
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Please use a persistent id in citations: http://hdl.handle.net/2128/25176 doi:10.1101/2020.05.28.121095
Abstract: Resting state has been established as a classical paradigm of brain activity studies, mostly based on large scale measurements such as fMRI or M/EEG. This term typically refers to a behavioral state characterized by the absence of any task or stimuli. The corresponding neuronal activity is often called idle or ongoing. Numerous modeling studies on spiking neural networks claim to mimic such idle states, but compare their results to task- or stimulus-driven experiments, which might lead to misleading conclusions. To provide a proper basis for comparing physiological and simulated network dynamics, we characterize simultaneously recorded single neurons' spiking activity in monkey motor cortex and show the differences from spontaneous and task-induced movement conditions. The resting state shows a higher dimensionality, reduced firing rates and less balance between population level excitation and inhibition than behavior-related states. Additionally, our results stress the importance of distinguishing between rest with eyes open and closed.
Keyword(s): Others (2nd) ; Biology (2nd)
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Journal Article
On the complexity of resting state spiking activity in monkey motor cortex
Cerebral Cortex Communications 2(3), tgab033 (2021) [10.1093/texcom/tgab033]
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